fall review 2014 answers
TRANSCRIPT
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8/10/2019 Fall Review 2014 Answers
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2014 Fall Midterm Exam Review Answers
Does not include definitions as these can easily be found in your boo!
Chapter 7, 8, 9
1! Metal "lus a non metal
2! #onic$ Ma%nesium nitrate
#onic$ &in '#() chloride
#onic$ *inc '##) sulfate
+ovalent$ ,oron trifluoride
#onic$ -ilver '#) fluoride
.! com"ounds
a! /a+l
b! -r
c! Fe2.
d! +a')2
e! i.34
f! As.F
4! cation
5! ionic bond
6! anion
7! oxidation numbers
! iron8s oxidation number
9! :.
chapter 10:
1! 1 mole ; molar mass ; 6!02 x 102. molecules
2! 6!02 x 102.< number of molecules in 1 mole of any substance
.! sum of the atomic wei%hts of the elements in a com"ound< add u" the atomic wei%ht for each
element in a com"ound
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4! molar mass$
a! 9 %=mol
b! 110 %=mol
c! 164 %=mol
d! 146 %=mol
e! 1.1 %=mol
5! convert$
a! 0!24 mol
b! 0!.1 mol
c! 0!00 mol
d! 109!6 mol
e! 0!17 mol6! convert$
a! 2.22!6 %
b! .71 %
c! 21.!2 %
d! 2..6000% or 2!..6 x 106%
e! 29.4!4 %
7! convert$
a! 1!46 x 102.molecules
b! 1!5 x 102.molecules
c! 4!77 x 1021molecules
d! 6!6 x 1025molecules
e! 1!0. x 102.molecules
! convert$
a! .76 %
b! 61 %
c! .5!4 %
d! .! %
e! 47!9 %
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9! 3ercent com"$
a! ; 2> -; ..> ;65>
b! +a; .6> +l ; 64>
c! /a; 42> 3;19> ;.9>
d! -;22> F; 7>
e! ?e;100>
10! +.62
11!/2.
12! M%+l2
1.! +410
14! /24
Chapter 1 and 3:
.! metric units$
a! %
b! m
c!
d! sec
4! @Dbdcm '@ilo ecto Deca base deci centi milli)
5! si% fi%s$
a! addition substraction
i! 0!2.6 m
ii! 155!77 m
iii! 12!12 cm
b! mult! And div!
i! 10 m2
ii! 2!5 m2
iii! 4. m2
7! metric converson$
a! 0!000225 %
b! 0!0102
c! 6!1 x 106m%
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d! 4.00!7 m
! D;m=v
a! 11!2 %=m
b! m.
c! 2!5 %=m
9! conversions
a! 2!. x 10B.
b! 106
Chapter 2:
2!
a! "hysical
b! chemical
c! "hysical
d! chemical
.!
a! "hysical
b! chemical
c! chemical
d! "hysical
4! bubble "roducedC color chan%eC tem"erature chan%eC formation of a "reci"itate
7!
a! homo%eneous
b! element
c! com"ound
d! hetero%eneous mixture
e! hetero%eneous mixture
! reactants to the left of the arrowC "roducts to the ri%ht of the arrow! Reactants are the startin%
materials and "roducts are substances that are formed!
9! Matter is neither created or destroyedC ust transferred!
10! 20!. %
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chapter 4:
1! "rotonC "ositiveC nucleus< electronC ne%ativeC orbit< neutronC neutralC nucleus
2! Rutherford
.! Dalton
4! &hom"son
5! number of "rotons and electrons in a neutral atom 'not the sum of the "rotons and electrons)
6! sum of "rotons and neutrons
7! atomic mass atom8s atomic number
! atomic number
Element Atomic G MassG 3rotons Electrons /eutrons
/ 7 14 7 7 7
16
, 5 11 5 5 6
9! in the number of neutrons in the nucleus
10! 56!74 amu
11! atomic mass
12! Democritus
1.! :C hi%h
Chapter 5:
1! to have a full outer shell! A full shell is electrons and this is called the octet
2! : ; lost electrons< B ; %ained electrons
.! cations; lost electronsC ty"ically metals< anions; %ained electronsC ty"ically nonBmetals
4! lose 1C lose 2C lose .C lose 4C %ain 1C %ain2C %ain .C %ain 4
5! noble %ases
6!
7! by atomic number
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! %rou"B verticalC arran%ed by valence electron< "eriod horiHontal and arran%ed by ener%y level
9!
a! noble %as
b! halo%en
c! alali earth
d! transition metal
10! metals are left of the stair ste" lineC nonBmetals are on the ri%ht of the stair ste" line and
metalloids are on the stair ste" line!
11! noble %ases
12! metal
1.! Mendeleev
14! Mosely
16! , %rou"s
1! F ,r # / +l
19! valance electrons are the number of electrons orbitin% in the outer most ener%y shell! xidation
numbers are how many they will %ive u" or receive in order to become stable!
20! oxidation number